refactor(gui): remove JCertificate node

jadx-gui/src/main/java/jadx/gui/treemodel/JCertificate.java

-package jadx.gui.treemodel;
-
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
-
-import javax.swing.*;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import jadx.api.ResourceFile;
-import jadx.core.utils.files.ZipSecurity;
-import jadx.gui.utils.CertificateManager;
-import jadx.gui.utils.NLS;
-import jadx.gui.utils.UiUtils;
-
-public class JCertificate extends JNode {
-	private static final long serialVersionUID = 4308696770188518731L;
-
-	private static final Logger LOG = LoggerFactory.getLogger(JCertificate.class);
-	private static final ImageIcon CERTIFICATE_ICON = UiUtils.openIcon("certificate_obj");
-
-	private final transient ResourceFile rf;
-
-	public JCertificate(ResourceFile resFile) {
-		this.rf = resFile;
-	}
-
-	@Override
-	public JClass getJParent() {
-		return null;
-	}
-
-	@Override
-	public Icon getIcon() {
-		return CERTIFICATE_ICON;
-	}
-
-	@Override
-	public String makeString() {
-		return NLS.str("certificate.title");
-	}
-
-	@Override
-	public String getContent() {
-		try {
-			ResourceFile.ZipRef zipRef = rf.getZipRef();
-			if (zipRef == null) {
-				File file = new File(rf.getName());
-				try (InputStream inputStream = new BufferedInputStream(new FileInputStream(file))) {
-					return CertificateManager.decode(inputStream);
-				}
-			} else {
-				try (ZipFile zipFile = new ZipFile(zipRef.getZipFile())) {
-					ZipEntry entry = zipFile.getEntry(zipRef.getEntryName());
-					if (entry == null) {
-						throw new IOException("Zip entry not found: " + zipRef);
-					}
-					if (!ZipSecurity.isValidZipEntry(entry)) {
-						return null;
-					}
-					try (InputStream inputStream = new BufferedInputStream(zipFile.getInputStream(entry))) {
-						return CertificateManager.decode(inputStream);
-					}
-				}
-			}
-		} catch (Exception e) {
-			LOG.error("Certificate decode error: {}", rf.getName(), e);
-			return "Decode error: " + e.getMessage();
-		}
-	}
-}

jadx-gui/src/main/java/jadx/gui/treemodel/JRoot.java

@@ -42,11 +42,6 @@ public class JRoot extends JNode {
 		if (signature != null) {
 			add(signature);
 		}
-
-		JCertificate certificate = getCertificate(wrapper.getResources());
-		if (certificate != null) {
-			add(certificate);
-		}
 	}
 
 	private List<JResource> getHierarchyResources(List<ResourceFile> resources) {
@@ -82,22 +77,6 @@ public class JRoot extends JNode {
 		return Collections.singletonList(root);
 	}
 
-	private JCertificate getCertificate(List<ResourceFile> resources) {
-		if (resources.isEmpty()) {
-			return null;
-		}
-		for (ResourceFile rf : resources) {
-
-			if (rf.getZipRef() != null) {
-				String rfName = rf.getName().toUpperCase();
-				if (rfName.endsWith(".DSA") || rfName.endsWith(".RSA")) {
-					return new JCertificate(rf);
-				}
-			}
-		}
-		return null;
-	}
-
 	private JResource getResourceByName(JResource rf, String name) {
 		for (JResource sub : rf.getFiles()) {
 			if (sub.getName().equals(name)) {

jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java

@@ -51,7 +51,6 @@ import jadx.gui.settings.JadxProject;
 import jadx.gui.settings.JadxSettings;
 import jadx.gui.settings.JadxSettingsWindow;
 import jadx.gui.treemodel.ApkSignature;
-import jadx.gui.treemodel.JCertificate;
 import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JLoadableNode;
 import jadx.gui.treemodel.JNode;
@@ -492,7 +491,7 @@ public class MainWindow extends JFrame {
 				if (resFile != null && JResource.isSupportedForView(resFile.getType())) {
 					tabbedPane.showResource(res);
 				}
-			} else if (obj instanceof JCertificate || obj instanceof ApkSignature) {
+			} else if (obj instanceof ApkSignature) {
 				tabbedPane.showSimpleNode((JNode) obj);
 			} else if (obj instanceof JNode) {
 				JNode node = (JNode) obj;

jadx-gui/src/main/java/jadx/gui/ui/TabbedPane.java

@@ -19,7 +19,6 @@ import org.slf4j.LoggerFactory;
 import jadx.api.ResourceFile;
 import jadx.api.ResourceType;
 import jadx.gui.treemodel.ApkSignature;
-import jadx.gui.treemodel.JCertificate;
 import jadx.gui.treemodel.JClass;
 import jadx.gui.treemodel.JNode;
 import jadx.gui.treemodel.JResource;
@@ -178,9 +177,6 @@ public class TabbedPane extends JTabbedPane {
 		if (node instanceof ApkSignature) {
 			return new HtmlPanel(this, node);
 		}
-		if (node instanceof JCertificate) {
-			return new CertificatePanel(this, node);
-		}
 		return new ClassCodeContentPanel(this, node);
 	}
 

jadx-gui/src/main/resources/i18n/Messages_en_US.properties

@@ -151,7 +151,6 @@ confirm.save_as_message=%s already exists.\nDo you want to replace it?
 confirm.not_saved_title=Save project
 confirm.not_saved_message=Save the current project before proceeding?
 
-certificate.title=Certificate
 certificate.cert_type=Type
 certificate.serialSigVer=Version
 certificate.serialNumber=Serial number

jadx-gui/src/main/resources/i18n/Messages_es_ES.properties

@@ -151,7 +151,6 @@ popup.select_all=Seleccionar todo
 #confirm.not_saved_title=
 #confirm.not_saved_message=
 
-certificate.title=Certificado
 certificate.cert_type=Tipo
 certificate.serialSigVer=Versión
 certificate.serialNumber=Número de serial

jadx-gui/src/main/resources/i18n/Messages_zh_CN.properties

@@ -151,7 +151,6 @@ confirm.save_as_message=%s 已存在。\n你想替换它吗？
 confirm.not_saved_title=保存项目
 confirm.not_saved_message=在继续之前保存当前项目？
 
-certificate.title=证书
 certificate.cert_type=类型
 certificate.serialSigVer=版本
 certificate.serialNumber=序列号